Home / Flowmaster American Thunder Cat-Back Exhaust System For 2019-2023 GM 1500 5.3L

Flowmaster American Thunder Cat-Back Exhaust System For 2019-2023 GM 1500 5.3L

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  • Detail
    This Flowmaster American Thunder cat-back exhaust system for the 2019-2023 GM 1500 (new body style) trucks with 5.3L engine is perfect for the person looking for an aggressive sound level outside the truck, with a moderate interior tone and the performance benefits you would expect from Flowmaster. This emissions-legal bolt-on system fits all Crew Cab and Double Cab models with 5.5 and 6.5-ft long beds with factory dual exhaust option. Features include flex joint, mandrel-bent 3.00-inch stainless steel tubing flowing into a Super 40 Series muffler, dual 2.50-inch mandrel-bent stainless tailpipes that are finished off with quad 4.00-inch black ceramic coated stainless steel tips exiting out under the factory exhaust bezels. Designed for an easy fit, this system includes all necessary parts and hardware for an easy at home installation. Maximum dyno gains of 15 hp and 19 lb.ft. at the rear wheels.

    Features:

    • Large 4.00-inch Black Ceramic Coated Stainless Quad Tips
    • Max Dyno Gains of 15 hp and 19 lb.ft. of Torque
    • Moderate Interior with Aggressive Exterior Tone
    • Uses the Factory Hanger Locations
    • Large Volume Super 40 Muffler
    • Stainless Steel Construction
    • Lifetime Limited Warranty
    • Easy Installation

    Fitment:

    • 2019-2023 GMC Sierra 1500 5.3L
    • 2019-2023 Chevrolet Silverado 1500 5.3L

    Included:

    • Flowmaster American Thunder Cat-Back Exhaust System
    • All Mounting Hardware

    Note:

    • Fits Crew Cab and Double Cab Models
    • Fits models with 5.5 and 6.5-ft long beds with factory dual exhaust option
    • Does Not fit 2019 LD/classic body style or trucks with factory single exhaust system
    • This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
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